Automatic canning appliance



FIG. 1 is a top right perspective view of the automatic canning appliance;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof.

The broken lines shown in the figures represent portions of the automatic canning appliance that form no part of the claimed design. 

CLAIM The ornamental design for the automatic canning appliance, as shown and described. 